Disk closure for jars and similar receptacles.



PATENIED AUG. 11, 1908 H. A. SPILLER.

DISK CLOSURE FOR JARS AND SIMILAR REOEPTAGLES.

APPLICATION FILED NOV. 18. 1907.

HARRY A. SPILLER, or BOSTON, MASSACHUSETTS, ASSIGNOR, BY

BROWN-BINNIAN COMPANY, or BOSTON, CHUSETTS.

MESNE ASSIGNMENTS, TO MASSACHUSETTS,

DISK CLQSUB/E FOR JARS SIMILAR RECEPTACLES.

No. 895,906. Specification o f Letters Patent. Patented Aug. 11,. 1903.

Application filed November 18, 1907. Serial No. 402,614.

To all whom it may concern:

Be it known that I, HARRY A. SPILLER, of Boston, in the county of Suffolk and State of h'lassachusetts, have invented a new and Im proved Disk Closure forJars and Similar Re- I ceptaclesj and I hereby declare that the folcompanying lowing is a full, clear, and exact description of the same, reference being had to the acdrawings, forming part of this specification.

This invention has reference to improve ments in (liSK closures for receptacles and particularly to such closures for milk jars.

One object of this invention is to so construct a disk closure formed ofpaper, card board or similar fibrous material that printing on said disk cannot be affected by the finishing process to spread the printing ink over the surface of the disk.

Another object of the invention is to so construct a disk closure of this nature that the action thereon of vacuum holding means may be facilitated.

Another object of the invention consists in so protecting the printing matter on a disk closure of this nature that the contents of the receptacle onwhich the disk is designed to be used cannot come in contactwith such printed matter.

The invention consists in the disk closure hereinafter described. and claimed.

In the drawings: Figure 1,,rcpresents the improved disk in plan view. Fig. 2, is a sectional view thereof taken on line 22 Fig. 1.

Similar numerals of reference designate.

corresponding parts in both figures.

Disk closures for food receptacles such milk jars are generally formed from paper or card board which, because of its fibrous nature, is treated with wax or similar material adapted to close the pores of the paper and to supply a finished surface thereto. these disk closures must be produced at very small cost the utmost economy in the ma nipulation'of the material during the process of its niamifacturc must be effected and particularly after the disks have been printed and cut out onrthe main body of the material for, .r such cutting out the disks must be carried forward individually to receive the wax coating and to be polished.

The mechanism for carrying forward disks after they are printed forms no part of the present invention but, if a vacuum carrier be used, it is desirable to so prepare the disk as this is one of the objects of this invention.

It is obviously desirable that the disk cloinscription indicating the nature of the contents of the receptacle, to which the closure tureror shi per of said contents. This marking of tiie closure is generally accomplished by printing the mark .or name on one surface of the closure but, when so )rinted in the ordinary manner, this met 0d of manufacture is objectionable for several reasons among which is that in'the waxing and polishing process the printers ink, applied practically on the surface of the closure, is acted upon by the polishing devices and is spread over the surface of the cap thus propolishing of the disks removes the surplus wax andtends to flatten the disk around the very slight impression, if any, of the ordinary the receptacle and may have a deleterious effect thereon; this 18 particularly so when, through 1n'advertenee,the rlnted side of the receptacle to which the closure is applied.

In carrying tins invention mto practice I naments directly into the body of the disk to a substantial depth whereby when'the out out disks are brought within the action of the air passing to a vacuum carrier suchdeprinting pressure. Transparent wax applied to the surface 5 in any ordinary manner partially fills the. dcpressions 66 nearly to the plane of the surmore than the ordinary A CORPORATION OF MASSA- to facilitate its adhesion to such carrier andis intended to be applied, or the manufac-' printing, the ink'is practically uncovered and may come into contact with the contents of j print the desired mark, or inscription and or-' pressed portions being in the nature of vacuwhich such depressions are formed under sure be provided with some name, mark, or

ducing a blurred appearance; again as the v closure is turned towards t 1e contents of the 5% seems I face 5 the shrinking of the wax end the polthe line 8 Fig. 2 so that the finished roduct has a slight depression in the nature 0 s vacu um chamber. The bodies of wax are anchored at their edges in the edge Walls of the depressions 6-6 and prevent access of fluid to the coloring matter at the bottoms of said de ression and resultant deleterious etlect of eit ier on the other While the color is visible through the semi transparent Wax or similar Waterproofing materiel.

Having thus described my invention I claim as new and desire to secure by Letters Patent. i

1. A closure for milk jars and similar receptaoles comprising a fibrous disk having a depression coated with Waterproofing com pound. r

2; A closure for milk jarsgend similarreceptacles comprising a paperdisk having depressed therein, to a su stantial depth-a depression or depressions, said depressions hav-. ing coatings of transparent waterproofing material.

A closure for milk jars and similar receptaeles comprising a disk having a series of depressions oi substantial depth, and bodies of Wax in said depressions.

HARRY A. SPILLER. Witnesses:

H. J. hIILLER) M. M. HARRINGTON. 

